Vice President Al Gore boasted of the machine's prowess at a news
conference today, saying it's the world's fastest computer, boasting a
speed of 3.88 trillion computations per second, or about 15,000 times
faster than the average desktop personal computer.

The machine, called Blue Pacific, is a mammoth IBM
RS/6000 SP system with 1,464 "nodes," or individual processing units, each
with four processors. A total of 5,856 processors are ganged together with
a proprietary IBM interconnection hardware.

Blue Pacific has 2.6 terabytes of memory, hundreds of thousands of times as much RAM as the average desktop PC. And it has 75 terabytes of storage--enough to hold the entire Library of Congress.

The computer is big, too, taking up 8,000 square feet, weighing 105,000 pounds, using more than 4 miles of cables, and drawing 3,900 watts of power.

The RS/6000 is a long-standing proprietary workstation and server line from
IBM. The same architecture is used in IBM's Deep Blue chess-playing computer.

The supercomputer's primary mission is simulating nuclear weapons
explosions in an era when the real thing is banned. But Gore pointed to
other possibilities the new computer will enable, including advances in
medicine, manufacturing, aviation, and global climate change.

And IBM sees a wider market for the supercomputers as well--not just in
research areas such as aerospace, pharmaceuticals, and petroleum, but also
in more traditional business areas.

"We see high-performance computing as a growth area for IBM," said Mike
Henesey, who runs IBM's scientific and technical computing program.
Businesses will be interested in using the computers for numerically
complicated analysis such as "data mining" or optimizing a portfolio on
Wall Street, he said.

Smaller versions of the RS/6000 SP computers are running at companies such
as Schwab, which uses a 100-node
system a fourteenth the size of Blue Pacific to handle its Web-based stock
trading, said Mike Borman, who's in charge of IBM's worldwide RS/6000
sales. And United Airlines has one for
analyzing passenger traffic.

Blue Pacific is being assembled at the Lawrence Livermore lab in Livermore, California. It achieved the 3.88 "teraflops" (trillion floating point
operations per second) rating at IBM's RS/6000 headquarters in
Poughkeepsie, New York in September, said Borman, but the machine has been used
to run actual Livermore code.

Nuclear weapons labs long have been one of the biggest customers for the
supercomputers, but President Clinton's signing of the Comprehensive Test
Ban Treaty has increased the Energy
Department's appetite for big iron.

The new supercomputers are needed to run the vastly more complex simulation
programs that the weapons labs use to certify that the nation's nuclear
weapons will work as advertised as they grow older in the post-Cold War
era. Earlier, computers were used for simulating weapons physics, but only
using one- and two-dimensional simplifications. The new supercomputers will
have to handle simulations in all three dimensions.

DOE is trying to increase supercomputer power faster than it otherwise
would develop by paying companies to collaborate with the nation's three
big nuclear weapons labs.

IBM got a $94 million contract in 1996 to build Blue Pacific with the
Livermore lab, a machine designed to reach a speed of 4 teraflops.
Silicon Graphics, a company with a huge
presence in the supercomputing area with its Cray Research division, is working with Los Alamos National Laboratory in New
Mexico on another 4-teraflop machine called Blue Mountain. And Intel already has its 1-teraflop machine
up and running at Sandia National
Laboratories in Albuquerque, New Mexico.

Wayne Pfeiffer of the San Diego Supercomputing Center said the Livermore/IBM computer is the world's fastest supercomputer as measured by peak performance, but that the effort by Los Alamos National Laboratory is likely to come in a close second.

Both the Lawrence Livermore and Los Alamos labs have been working hard to prepare their performance scores in time for the upcoming SC 98 supercomputer conference, which will start on November 7 in Orlando, Florida. When that conference starts, the top 500 supercomputer list will be updated.

More computers are on the way as part of DOE's Accelerated Strategic
Computing Initiative. Last February, DOE announced that IBM won another
contract, this one for a 10-teraflop machine called "Option White" at
Livermore. Also on tap is a 30-teraflop machine slated for LANL, and
ultimately, at the end of the 10-year, billion-dollar program, a
100-teraflop machine.

IBM isn't always the first company that comes to mind when speaking of
supercomputers. But the company does have a significant presence on the
June 1998 version of the top 500 supercomputers list.
And IBM believes it has room to grow, Henesey said.

IBM's Scalable Parallel (the "SP" in the RS/6000 product name) architecture
can extend all the way up to 1,000 teraflops--a petaflop, or quadrillion
floating point operations per second.

IBM has 5,000 RS/6000 SP systems deployed worldwide, Henesey said.

This week, the Los Alamos lab--historically a good-natured competitor with
its Livermore sister--fully assembled its computer, Blue Mountain, said
LANL spokesman Jim Danneskiold. Blue Mountain, with 6,144 processors, has
been running weapons code rewritten for the massively parallel machine as
the machine was reaching its full size.

Using one sixth of its total computing power, Blue Mountain was able to run
a simulated nuclear weapons test that analyzed physics interactions in an
area divided into 30 million zones, he said. A similar simulation on the
tried-and-true Cray Y-MP supercomputer was only able to run the simulation
with 2.5 million zones.

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